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Oxy-Acetelyne Brazing
- Thread starter kkg123
- Start date
TheBlacksmith
Mechanical
Pressure is according to your torch's instructions, it can be as little as 3 psi each, but range up to about 10 psi - ACETELYNE SHOULD NEVER EXCEED 15 PSIG - IT CAN EXPLODE!
For porosity, you could have too active a flame - it should be "quiet", not hissing, you could be holding torch too close, try a larger size, you could be overheating the metal, hold torch farther away or try a smaller size.
Blacksmith
For porosity, you could have too active a flame - it should be "quiet", not hissing, you could be holding torch too close, try a larger size, you could be overheating the metal, hold torch farther away or try a smaller size.
Blacksmith
There can be advantages to adjsuting the gas ratios as well.
Porosity can be a surface cleanliness problem, trapped flux or overheating of the braze alloy which can boil out zinc, for example.
We have brazing info including some good pictures at
tom
Porosity can be a surface cleanliness problem, trapped flux or overheating of the braze alloy which can boil out zinc, for example.
We have brazing info including some good pictures at
tom
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